Home / 6,145,500.80-9,218,251.20-1,658,230.40

Finding the Fourth Proportional to 6,145,500.80, 9,218,251.20 and 1,658,230.40

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Solution

The fourth proportional to 6,145,500.80, 9,218,251.20 and 1,658,230.40 is: 2,487,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,500.80 : 9,218,251.20 = 1,658,230.40 : x
  2. Step 2: Convert to fraction form
    6,145,500.80/9,218,251.20 = 1,658,230.40/x
  3. Step 3: Cross multiply
    6,145,500.80x = 9,218,251.20 × 1,658,230.40
  4. Step 4: Simplify right side
    6,145,500.80x = 15,285,984,374,676.48
  5. Step 5: Solve for x
    x = 15,285,984,374,676.48/6,145,500.80
  6. Step 6: Final answer
    x = 2,487,345.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.